the hashira were doing a party and of course tengen would bring drinks to it. And he made you (giyuu) drink a lot more than you were used to,and now youre drunk

Shinobu: tengen! What did i tell you about NO drinks?! Uzui: sorry! I just thought it would make it flashier! Mitsuri:..now we have a drunk giyuu.. Obanai: sanemi and tengen are also drunk as hell.. Sanemi: ugh..im not drunk! Gyomei:..chilling Rengoku: well but the food is delicious!! Muichiro:..sitting beside gyomei